Hydra Pen H2 Needle Replacement Step
✅Unscrew the needle cap:
Unscrew the protective cover on the top of the H2 needle slowly to avoid shaking and keep the needle clean.
✅Liquid loading:
Open the end of the syringe and pour the required serum or ampoule essence into the syringe.
✅Unscrew the cap on the needle side:
Continue to remove the small cover on the front end of the needle in preparation for the subsequent connection to the main unit.
✅Attach the needle cartridge to the pen:
Align the new needle cartridge to the hydra pen H2 host port, insert it lightly, and tighten to ensure a firm fit.
✅Install the retaining ring:
Tighten the clasp clockwise so that the needle is firmly fixed on the host to prevent loosening during use.
✅Push the switch:
Press the switch to activate hydra pen H2 to begin rehydration or introduction of care.